| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 4 | |
| #2 | Portugal | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Denmark | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Finland | 1 | |
| #10 | Republic of Korea | 1 | |
| #11 | Norway | 1 | |
| #12 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsutsumi Shigeru | 15 |
| #2 | Tsutsumi | 1 |
| #3 | Shigeru Tsutsumi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1072882A | Improved pressure-holding chamber type injection molding process and equipment | |
| WO9113742A1 | Improved side gate type mold arrangement with pointed heat-generating module | |
| AU5178190A | Improved pressure-holding chamber type injection molding process and apparatus | |
| BR8907118A | Injection molding process and appliance |